Trace number 2689860

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
wbo 1.4aOPTIMUM 0.855869 0.855598

General information on the benchmark

Name/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-ooo.burch_dill.2.accl.ucl--soft-0-100-0.wbo
MD5SUM8b380a82e4776add8076b73e28ebbe59
Bench CategorySOFT-SMALLINT-LIN (only soft constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark0.855869
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2152
Total number of constraints5613
Number of soft constraints5613
Number of constraints which are clauses5137
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints476
Minimum length of a constraint1
Maximum length of a constraint11
Top cost 284792
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 284791
Biggest number in a constraint 35
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 129
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c wbo 1.4 beta - 20100517
0.00/0.00	c Parsing wbo file format. File HOME/instance-2689860-1277932074.wbo.
0.00/0.00	c Instance file HOME/instance-2689860-1277932074.wbo
0.00/0.00	c File size is 215002 bytes.
0.00/0.01	c Highest Coefficient sum: 129
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      2152                                                |
0.00/0.01	c |  Number Clauses:        5137                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 476                                                 |
0.00/0.01	c ============================[ Search Statistics ]==============================
0.00/0.01	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.01	c ===============================================================================
0.00/0.01	c |         0 |    2129     5613    16906 |     5000        0    nan |  0.000 % |
0.00/0.02	c |       101 |    2129     5613    16906 |     5500      101     36 |  1.069 % |
0.00/0.03	c |       251 |    2129     5613    16906 |     6050      251     21 |  1.069 % |
0.04/0.04	c |       476 |    1998     5613    16906 |     6655      384     21 |  7.156 % |
0.04/0.06	c |       813 |    1862     5613    16906 |     7320      634     17 | 13.476 % |
0.09/0.10	c |      1320 |    1862     5613    16906 |     8052     1141     32 | 13.476 % |
0.09/0.16	c |      2079 |    1862     5613    16906 |     8857     1900     43 | 13.476 % |
0.19/0.26	c |      3218 |    1862     5613    16906 |     9743     3039     46 | 13.476 % |
0.39/0.43	c |      4927 |    1862     5613    16906 |    10717     4748     48 | 13.476 % |
0.59/0.68	c |      7489 |    1859     5613    16906 |    11789     1537     27 | 13.619 % |
0.69/0.77	c ===============================================================================
0.79/0.84	c core #1
0.79/0.84	c ============================[ Search Statistics ]==============================
0.79/0.84	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.79/0.84	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.79/0.84	c ===============================================================================
0.79/0.84	c |         0 |    3890     8772    30772 |     5000        0    nan |  0.000 % |
0.79/0.85	c ===============================================================================
0.79/0.85	c #cores: 1
0.79/0.85	c Final Weight: 1
0.79/0.85	o 1
0.79/0.85	s OPTIMUM FOUND
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0.79/0.85	c Total CPU time: 0.823874 s

Verifier Data 

OK	1

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2689860-1277932074/watcher-2689860-1277932074 -o /tmp/evaluation-result-2689860-1277932074/solver-2689860-1277932074 -C 1800 -W 2000 -M 3800 wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689860-1277932074.wbo 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=3060 CPUtime=0
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 348 0 0 0 0 0 0 0 25 0 1 0 134503722 3133440 266 4089446400 134512640 135751879 4290037520 18446744073709551615 135206651 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 765 266 148 303 0 407 0

[startup+0.043394 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=3544 CPUtime=0.04
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 580 0 0 0 4 0 0 0 25 0 1 0 134503722 3629056 445 4089446400 134512640 135751879 4290037520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 886 445 143 303 0 581 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3544

[startup+0.10038 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=3940 CPUtime=0.09
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 681 0 0 0 9 0 0 0 25 0 1 0 134503722 4034560 546 4089446400 134512640 135751879 4290037520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 985 546 143 303 0 680 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3940

[startup+0.300346 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=5260 CPUtime=0.29
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 1014 0 0 0 28 1 0 0 25 0 1 0 134503722 5386240 879 4089446400 134512640 135751879 4290037520 18446744073709551615 134611204 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 1315 879 143 303 0 1010 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5260

[startup+0.700278 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=7504 CPUtime=0.69
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 1582 0 0 0 67 2 0 0 25 0 1 0 134503722 7684096 1447 4089446400 134512640 135751879 4290037520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 1876 1447 143 303 0 1571 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7504

Solver just ended. Dumping a history of the last processes samples

[startup+0.80026 s]
/proc/loadavg: 2.25 2.55 2.41 4/196 17176
/proc/meminfo: memFree=30873332/32950928 swapFree=4192956/4192956
[pid=17176] ppid=17174 vsize=8296 CPUtime=0.79
/proc/17176/stat : 17176 (wbo1.4a) R 17174 17176 16715 0 -1 4202496 1774 0 0 0 77 2 0 0 25 0 1 0 134503722 8495104 1639 4089446400 134512640 135751879 4290037520 18446744073709551615 134618827 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/17176/statm: 2074 1639 143 303 0 1769 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 8296

Child status: 0
Real time (s): 0.855598
CPU time (s): 0.855869
CPU user time (s): 0.823874
CPU system time (s): 0.031995
CPU usage (%): 100.032
Max. virtual memory (cumulated for all children) (KiB): 8296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.823874
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2087
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1
involuntary context switches= 18

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node124 at 2010-06-30 23:07:54
IDJOB=2689860
IDBENCH=79333
IDSOLVER=1200
FILE ID=node124/2689860-1277932074
PBS_JOBID= 11197440
Free space on /tmp= 130620 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB10/normalized-PB10/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-ooo.burch_dill.2.accl.ucl--soft-0-100-0.wbo
COMMAND LINE= wbo1.4a -file-format=wbo -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2689860-1277932074/watcher-2689860-1277932074 -o /tmp/evaluation-result-2689860-1277932074/solver-2689860-1277932074 -C 1800 -W 2000 -M 3800  wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689860-1277932074.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8b380a82e4776add8076b73e28ebbe59
RANDOM SEED=1098949179

node124.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.07
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      30873860 kB
Buffers:        220652 kB
Cached:        1122156 kB
SwapCached:          0 kB
Active:        1109524 kB
Inactive:       852628 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30873860 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2784 kB
Writeback:           0 kB
AnonPages:      619464 kB
Mapped:          20380 kB
Slab:            81508 kB
PageTables:       6436 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  20668420 kB
Committed_AS:  1654500 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    265212 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 130620 MiB
End job on node124 at 2010-06-30 23:07:55